Home / 12,828,697.31-17,703,605.61-7,027,685.28

Finding the Fourth Proportional to 12,828,697.31, 17,703,605.61 and 7,027,685.28

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Solution

The fourth proportional to 12,828,697.31, 17,703,605.61 and 7,027,685.28 is: 9,698,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,697.31 : 17,703,605.61 = 7,027,685.28 : x
  2. Step 2: Convert to fraction form
    12,828,697.31/17,703,605.61 = 7,027,685.28/x
  3. Step 3: Cross multiply
    12,828,697.31x = 17,703,605.61 × 7,027,685.28
  4. Step 4: Simplify right side
    12,828,697.31x = 124,415,368,548,322.42
  5. Step 5: Solve for x
    x = 124,415,368,548,322.42/12,828,697.31
  6. Step 6: Final answer
    x = 9,698,207.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.